63872138131 has 8 divisors (see below), whose sum is σ = 64288725984. Its totient is φ = 63455956800.

The previous prime is 63872138041. The next prime is 63872138137. The reversal of 63872138131 is 13183127836.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63872138131 - 2⁷ = 63872138003 is a prime.

It is a super-2 number, since 2×63872138131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63872138137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216871 + ... + 418063.

It is an arithmetic number, because the mean of its divisors is an integer number (8036090748).

Almost surely, 2^63872138131 is an apocalyptic number.

63872138131 is a deficient number, since it is larger than the sum of its proper divisors (416587853).

63872138131 is a wasteful number, since it uses less digits than its factorization.

63872138131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203261.

The product of its digits is 145152, while the sum is 43.

The spelling of 63872138131 in words is "sixty-three billion, eight hundred seventy-two million, one hundred thirty-eight thousand, one hundred thirty-one".